11221232 has 40 divisors (see below), whose sum is σ = 23986560. Its totient is φ = 5042880.

The previous prime is 11221219. The next prime is 11221247. The reversal of 11221232 is 23212211.

It is a happy number.

11221232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17819 + ... + 18437.

It is an arithmetic number, because the mean of its divisors is an integer number (599664).

Almost surely, 2^11221232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11993280).

11221232 is an abundant number, since it is smaller than the sum of its proper divisors (12765328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221232 is a wasteful number, since it uses less digits than its factorization.

11221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 735 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 11221232 is about 3349.8107409225. The cubic root of 11221232 is about 223.8790801449.

Adding to 11221232 its reverse (23212211), we get a palindrome (34433443).

The spelling of 11221232 in words is "eleven million, two hundred twenty-one thousand, two hundred thirty-two".